Trivedi, R.N.
A text book of environmebtal sciences / R.N. Trivedi. - New Delhi : Anmol Publications, c1997. - xi, 472 p.: ill. ; 21 cm.
8174885447
Environmental sciences -- Textbooks.
304.2 / TRT
A text book of environmebtal sciences / R.N. Trivedi. - New Delhi : Anmol Publications, c1997. - xi, 472 p.: ill. ; 21 cm.
8174885447
Environmental sciences -- Textbooks.
304.2 / TRT
